HORIZON HASKELLDocslts/ghc-9.10.x248f8f02026-10-05Search names, modules, packages, or :: a typeCtrl K

GHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05

Modulecontravariant-1.5.5Haskell2010

Data.Functor.Contravariant.Compose

Composition of contravariant functors.

  • 3 types
newtypenewtype ComposeFC (f :: Type -> Type) (g :: Type -> Type) a
#

Composition of covariant and contravariant functors

Constructors

Instances4Functor, Contravariant, Decidable, Divisible
newtypenewtype ComposeCF (f :: Type -> Type) (g :: Type -> Type) a
#

Composition of contravariant and covariant functors

Constructors

Instances3Functor, Contravariant, Divisible